/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraParameterStore.h
Returns the data interface for the passed parameter if it exists in this store.
[UNiagaraDataInterface](API\Plugins\Niagara\UNiagaraDataInterface) * GetDataInterface ( const [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) & Parameter ) const